ANTIOCH — A 61-year-old woman was hospitalized Tuesday after three men knocked her down and punched her in the head repeatedly during a robbery attempt, police said.

No arrests have been made in the case, but police say the three suspects were described as black males about 20 years old, ranging in height from 5” 7″ to 6 feet, about 140-170 pounds, with black hair and brown eyes. One assailant was wearing a black sweater, police said.

The attack occurred around 10:15 a.m. Tuesday, when the woman drove into the parking lot of Commons at Dallas Ranch, an assisted living center on the 4700 block of Dallas Ranch Road. The woman is not a resident of the center, but was there to visit a friend, police said.

After getting out of her car, the woman was approached by three men, one of whom asked her for directions. As she was answering the question, one of the men sneaked up behind her and the other knocked her down, while another punched her in the head multiple times, police said.

The three suspects then reportedly ran off without stealing any of the woman”s property.

The victim was taken to a hospital for observation, with non life-threatening injuries, police said.